package com.ywdj.framework.config;

import com.ywdj.framework.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    @Autowired
    private UserService userService;

    @Autowired
    public void configureAuthentication(AuthenticationManagerBuilder authenticationManagerBuilder) throws Exception {
        authenticationManagerBuilder
                // 设置UserDetailsService
                .userDetailsService(userService)
                // 使用BCrypt进行密码的hash
                .passwordEncoder(passwordEncoder());
    }
    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
//    @Bean
//    public JwtAuthenticationTokenFilter authenticationTokenFilterBean() throws Exception {
//        return new JwtAuthenticationTokenFilter();
//    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userService);
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
        httpSecurity
                // 由于使用的是JWT，我们这里不需要csrf
                .csrf().disable()
                // 基于token，所以不需要session
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                .authorizeRequests()
                .antMatchers(HttpMethod.OPTIONS, "/**").permitAll()
                // 允许对于网站静态资源的无授权访问
//                .antMatchers(
//                        HttpMethod.GET,
//                        "/",
//                        "/*.html",
//                        "/favicon.ico",
//                        "/**/*.html",
//                        "/**/*.css",
//                        "/**/*.js"
//                ).permitAll()
                // 对于获取token的rest api要允许匿名访问
                .antMatchers("/login").permitAll()

//                .antMatchers("/rest/**").permitAll()
//                .antMatchers("/rest/**").hasIpAddress("127.0.0.1")
//                .antMatchers("/rest/**").access("hasAuthority('ROLE_ADMIN')")
//                .anyRequest().authenticated().and().formLogin().loginPage("/login")
//                .failureUrl("/login?error").permitAll().and().logout().permitAll();

        // 除上面外的所有请求全部需要鉴权认证
				.anyRequest().authenticated()
                .and().formLogin().usernameParameter("loginName");
        // 添加JWT filter
//        httpSecurity
//                .addFilterBefore(authenticationTokenFilterBean(), UsernamePasswordAuthenticationFilter.class);
        // 禁用缓存
        httpSecurity.headers().cacheControl();
    }
}
